Industry Expertise International Tax, Cross-border Investments and Transactions, Life Sciences

Education Harvard Law School

Tufts University
B.A. in Psychology

Marianne Kane

Marianne brings over 20 years of tax advisory experience to WilliamsMarston with international tax as her primary practice area, focusing on cross border investments and transactions. Her experience includes both inbound and outbound tax planning, structuring for private equity fund investors and investments (domestic, offshore, fund of funds, and real estate funds), and multinational corporations, including advising on taxable presence, treaty application, choice of entity and jurisdiction, cross border corporate restructuring, entity rationalization, mergers, acquisitions, dispositions, tax-efficient repatriation, Subpart F and GILTI management, foreign tax credits and withholding taxes. Her experience is broadly applicable to companies in all industries, with extensive experience in the financial services, life sciences and technology industries.

Prior to joining WilliamsMarston, Marianne was a co-founder and partner at 704beantown advisers, LLC. Prior to 704beantown, Marianne was a principal at RSM US LLP where she led their Boston international tax practice. Marianne began her career as a tax attorney at WilmerHale.

Marianne holds a J.D. from Harvard Law School, where she graduated cum laude, and a B.A. in psychology from Tufts University, where she graduated magna cum laude. She is a member of the Massachusetts Bar and active in various professional organizations in the Northeast.